Some users that take advantage of the ability for iTunes to stream to external speakers wirelessly via AirTunes are finding that after upgrading to iTunes 9 their AirTunes capabilities no longer work properly.

With the release of iTunes 8 yesterday, which includes new visualizers, HD video playback, new browsing views, and a "Genius" playlist editor/songfinder, users have quite a few new features to explore, but also some significant new issues with which to c